Valve ya cartridge nthawi zambiri imafunika kuikidwa mu hydraulic manifold kuti igwire bwino ntchito, ndipo mitundu yake imakhalanso ndi magulu atatu: valve control valve, valve control valve ndi valve control valve. Ma hydraulic manifold blocks nthawi zambiri amapangidwa ndi chitsulo kapena aluminiyamu, kenako amafunikira kusinthidwa mu block kuti athandizire kuyika kwa valve ya cartridge.